Can This Be my Next Travel Gadget?

I travel alone sometimes. For some, they are afraid to travel especially when they are alone. I am thankful that I always come home safe from all my travels. I remember when I did a night sightseeing in Budva, Montenegro last month. Some of the narrow alleys I passed-by in the old city of Budva t are dark. I realized that it was quite dangerous but I make it sure that I am always ready for any attackers. I am thinking of buying one of the safety girl stun guns. I believed this gadget can help when someone will attack you. Stun guns and tasers will produce a a blast of electrical current to disable your attacker long enough for you to escape a potentially threatening situation. I am thinking of buying one especially that I travel alone sometimes. What do you think guys?